Iris Plus Graphics 645 vs Radeon HD 4850
When choosing between Iris Plus Graphics 645 and Radeon HD 4850, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Iris Plus Graphics 645 and Radeon HD 4850.
Iris Plus Graphics 645 is a Laptop Graphics Card
Note: Iris Plus Graphics 645 is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Iris Plus Graphics 645 here:
Main Specs
Iris Plus Graphics 645
Radeon HD 4850
Power consumption (TDP)
15 Watt
110 Watt
Interface
PCIe 3.0 x1
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
Memory type
DDR3/DDR4
GDDR3
Maximum RAM amount
512 MB
Display Connectors
No outputs
2x DVI, 1x S-Video
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Radeon HD 4850 has 633% more power consumption, than Iris Plus Graphics 645.
Iris Plus Graphics 645 is connected by PCIe 3.0 x1, and Radeon HD 4850 uses PCIe 2.0 x16 interface.
Iris Plus Graphics 645 is used in Laptops, and Radeon HD 4850 - in Desktops.
Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Radeon HD 4850 - with Terascale 1.
Core clock speed of Radeon HD 4850 is 325 MHz higher, than Iris Plus Graphics 645.
Iris Plus Graphics 645 is manufactured by 14 nm process technology, and Radeon HD 4850 - by 55 nm process technology.
Game benchmarks
Assassin's Creed Odyssey
Battlefield 5
Call of Duty: Warzone
Counter-Strike: Global Offensive
Cyberpunk 2077
Dota 2
Far Cry 5
Fortnite
Forza Horizon 4
Grand Theft Auto V
Metro Exodus
Minecraft
PLAYERUNKNOWN'S BATTLEGROUNDS
Red Dead Redemption 2
The Witcher 3: Wild Hunt
World of Tanks
high / 1080p
4−5
1−2
ultra / 1080p
2−3
0−1
QHD / 1440p
0−1
0−1
low / 720p
12−14
12−14
medium / 1080p
5−6
3−4
The average gaming FPS of Iris Plus Graphics 645 in Assassin's Creed Odyssey is 16% more, than Radeon HD 4850.
high / 1080p
−
6−7
ultra / 1080p
7−8
4−5
QHD / 1440p
0−1
0−1
low / 720p
16−18
16−18
medium / 1080p
8−9
6−7
The average gaming FPS of Iris Plus Graphics 645 in Battlefield 5 is 22% more, than Radeon HD 4850.
low / 768p
45−50
45−50
high / 1080p
45−50
40−45
QHD / 1440p
0−1
0−1
The average gaming FPS of Iris Plus Graphics 645 in Call of Duty: Warzone is 4% more, than Radeon HD 4850.
low / 768p
100−110
120−130
medium / 768p
80−85
95−100
ultra / 1080p
35−40
40−45
QHD / 1440p
24−27
21−24
4K / 2160p
−
10−11
high / 768p
60−65
65−70
The average gaming FPS of Radeon HD 4850 in Counter-Strike: Global Offensive is 14% more, than Iris Plus Graphics 645.
low / 768p
55−60
85−90
ultra / 1080p
12−14
18−20
medium / 1080p
45−50
40−45
The average gaming FPS of Radeon HD 4850 in Cyberpunk 2077 is 25% more, than Iris Plus Graphics 645.
low / 768p
65−70
80−85
medium / 768p
45−50
55−60
ultra / 1080p
21−24
27−30
The average gaming FPS of Radeon HD 4850 in Dota 2 is 24% more, than Iris Plus Graphics 645.
high / 1080p
5−6
2−3
ultra / 1080p
5−6
2−3
4K / 2160p
3−4
1−2
low / 720p
12−14
10−12
medium / 1080p
5−6
3−4
The average gaming FPS of Iris Plus Graphics 645 in Far Cry 5 is 50% more, than Radeon HD 4850.
high / 1080p
12−14
10−11
ultra / 1080p
8−9
5−6
QHD / 1440p
−
1−2
low / 720p
45−50
50−55
medium / 1080p
12−14
12−14
Iris Plus Graphics 645 and Radeon HD 4850 have the same average FPS in Fortnite.
high / 1080p
8−9
5−6
QHD / 1440p
0−1
3−4
4K / 2160p
−
2−3
low / 720p
16−18
16−18
medium / 1080p
9−10
7−8
The average gaming FPS of Iris Plus Graphics 645 in Forza Horizon 4 is 10% more, than Radeon HD 4850.
low / 768p
40−45
45−50
medium / 768p
35−40
35−40
high / 1080p
7−8
6−7
ultra / 1080p
5−6
3−4
QHD / 1440p
0−1
0−1
Iris Plus Graphics 645 and Radeon HD 4850 have the same average FPS in Grand Theft Auto V.
high / 1080p
3−4
1−2
ultra / 1080p
2−3
0−1
4K / 2160p
0−1
−
low / 720p
7−8
5−6
medium / 1080p
4−5
3−4
The average gaming FPS of Iris Plus Graphics 645 in Metro Exodus is 66% more, than Radeon HD 4850.
low / 768p
85−90
95−100
high / 1080p
80−85
60−65
ultra / 1080p
70−75
−
medium / 1080p
−
85−90
The average gaming FPS of Iris Plus Graphics 645 in Minecraft is 6% more, than Radeon HD 4850.
high / 1080p
16−18
−
ultra / 1080p
14−16
12−14
low / 720p
24−27
27−30
medium / 1080p
16−18
14−16
The average gaming FPS of Iris Plus Graphics 645 in PLAYERUNKNOWN'S BATTLEGROUNDS is 5% more, than Radeon HD 4850.
ultra / 1080p
7−8
−
QHD / 1440p
0−1
−
low / 720p
7−8
5−6
The average gaming FPS of Iris Plus Graphics 645 in Red Dead Redemption 2 is 40% more, than Radeon HD 4850.
low / 768p
16−18
12−14
medium / 768p
12−14
9−10
high / 1080p
6−7
5−6
ultra / 1080p
5−6
4−5
4K / 2160p
−
1−2
The average gaming FPS of Iris Plus Graphics 645 in The Witcher 3: Wild Hunt is 25% more, than Radeon HD 4850.
low / 768p
80−85
65−70
medium / 768p
35−40
35−40
ultra / 1080p
14−16
14−16
high / 768p
30−33
27−30
The average gaming FPS of Iris Plus Graphics 645 in World of Tanks is 10% more, than Radeon HD 4850.
Full Specs
Iris Plus Graphics 645
Radeon HD 4850
Architecture
Gen. 9.5 Coffee Lake
Terascale 1
Code name
Kaby Lake GT3e
RV770
Type
Laptop
Desktop
Release date
10 July 2019
25 June 2008
Pipelines
48
800
Core clock speed
300 MHz
625 MHz
Boost Clock
1150 MHz
Transistor count
956 million
Manufacturing process technology
14 nm
55 nm
Texture fill rate
50.40
25.00
Floating-point performance
1,000.0 gflops
Length
246 mm
Memory bus width
256 Bit
Memory clock speed
993 MHz
Memory bandwidth
63.55 GB/s
Shared memory
+
DirectX
12 (12_1)
10.1 (10_1)
Shader Model
6.4
4.1
OpenGL
4.6
3.3
OpenCL
2.1
1.1
Vulkan
1.1.103
N/A
Quick Sync
+
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